public IHttpActionResult ProcessExport(PlatformImportExportRequest exportRequest)
{
var notification = new PlatformExportPushNotification(_userNameResolver.GetCurrentUserName())
{
Title = "Platform export task",
Description = "starting export...."
};
_pushNotifier.Upsert(notification);
BackgroundJob.Enqueue(() => PlatformExportBackground(exportRequest, notification));
return(Ok(notification));
}
public ActionResult <PlatformExportPushNotification> ProcessExport([FromBody] PlatformImportExportRequest exportRequest)
{
var notification = new PlatformExportPushNotification(_userNameResolver.GetCurrentUserName())
{
Title = "Platform export task",
Description = "starting export...."
};
_pushNotifier.Send(notification);
var jobId = BackgroundJob.Enqueue(() => PlatformExportBackgroundAsync(exportRequest, notification, JobCancellationToken.Null, null));
notification.JobId = jobId;
return(Ok(notification));
}
public void PlatformExportBackground(PlatformImportExportRequest exportRequest, PlatformExportPushNotification pushNotification)
{
Action <ExportImportProgressInfo> progressCallback = x =>
{
pushNotification.InjectFrom(x);
pushNotification.Errors = x.Errors;
_pushNotifier.Upsert(pushNotification);
};
try
{
const string relativeUrl = "tmp/exported_data.zip";
var localTmpFolder = HostingEnvironment.MapPath("~/App_Data/Uploads/tmp");
var localTmpPath = Path.Combine(localTmpFolder, "exported_data.zip");
if (!Directory.Exists(localTmpFolder))
{
Directory.CreateDirectory(localTmpFolder);
}
//Import first to local tmp folder because Azure blob storage doesn't support some special file access mode
using (var stream = File.Open(localTmpPath, FileMode.OpenOrCreate))
{
var manifest = exportRequest.ToManifest();
_platformExportManager.Export(stream, manifest, progressCallback);
}
//Copy export data to blob provider for get public download url
using (var localStream = File.Open(localTmpPath, FileMode.Open))
using (var blobStream = _blobStorageProvider.OpenWrite(relativeUrl))
{
localStream.CopyTo(blobStream);
//Get a download url
pushNotification.DownloadUrl = _blobUrlResolver.GetAbsoluteUrl(relativeUrl);
}
}
catch (Exception ex)
{
pushNotification.Errors.Add(ex.ExpandExceptionMessage());
}
finally
{
pushNotification.Description = "Export finished";
pushNotification.Finished = DateTime.UtcNow;
_pushNotifier.Upsert(pushNotification);
}
}
public async Task PlatformExportBackgroundAsync(PlatformImportExportRequest exportRequest, PlatformExportPushNotification pushNotification, IJobCancellationToken cancellationToken, PerformContext context)
{
void progressCallback(ExportImportProgressInfo x)
{
pushNotification.Path(x);
pushNotification.JobId = context.BackgroundJob.Id;
_pushNotifier.Send(pushNotification);
}
try
{
var localTmpFolder = Path.GetFullPath(Path.Combine(_platformOptions.DefaultExportFolder));
var localTmpPath = Path.Combine(localTmpFolder, Path.GetFileName(_platformOptions.DefaultExportFileName));
if (!Directory.Exists(localTmpFolder))
{
Directory.CreateDirectory(localTmpFolder);
}
if (System.IO.File.Exists(localTmpPath))
{
System.IO.File.Delete(localTmpPath);
}
//Import first to local tmp folder because Azure blob storage doesn't support some special file access mode
using (var stream = System.IO.File.OpenWrite(localTmpPath))
{
var manifest = exportRequest.ToManifest();
await _platformExportManager.ExportAsync(stream, manifest, progressCallback, new JobCancellationTokenWrapper(cancellationToken));
pushNotification.DownloadUrl = $"api/platform/export/download/{_platformOptions.DefaultExportFileName}";
}
}
catch (JobAbortedException)
{
//do nothing
}
catch (Exception ex)
{
pushNotification.Errors.Add(ex.ExpandExceptionMessage());
}
finally
{
pushNotification.Description = "Export finished";
pushNotification.Finished = DateTime.UtcNow;
await _pushNotifier.SendAsync(pushNotification);
}
}
public async Task PlatformExportBackgroundAsync(PlatformImportExportRequest exportRequest, PlatformExportPushNotification pushNotification, IJobCancellationToken cancellationToken, PerformContext context)
{
Action <ExportImportProgressInfo> progressCallback = x =>
{
pushNotification.Path(x);
pushNotification.JobId = context.BackgroundJob.Id;
_pushNotifier.SendAsync(pushNotification);
};
try
{
const string relativeUrl = "tmp/exported_data.zip";
var localTmpFolder = _hostEnv.MapPath(Path.Combine(_platformOptions.LocalUploadFolderPath, "tmp"));
var localTmpPath = Path.Combine(localTmpFolder, "exported_data.zip");
if (!Directory.Exists(localTmpFolder))
{
Directory.CreateDirectory(localTmpFolder);
}
//Import first to local tmp folder because Azure blob storage doesn't support some special file access mode
using (var stream = System.IO.File.Open(localTmpPath, FileMode.OpenOrCreate))
{
var manifest = exportRequest.ToManifest();
await _platformExportManager.ExportAsync(stream, manifest, progressCallback, new JobCancellationTokenWrapper(cancellationToken));
}
//Copy export data to blob provider for get public download url
using (var localStream = System.IO.File.Open(localTmpPath, FileMode.Open))
using (var blobStream = _blobStorageProvider.OpenWrite(relativeUrl))
{
localStream.CopyTo(blobStream);
//Get a download url
pushNotification.DownloadUrl = _blobUrlResolver.GetAbsoluteUrl(relativeUrl);
}
}
catch (JobAbortedException)
{
//do nothing
}
catch (Exception ex)
{
pushNotification.Errors.Add(ex.ExpandExceptionMessage());
}
finally
{
pushNotification.Description = "Export finished";
pushNotification.Finished = DateTime.UtcNow;
await _pushNotifier.SendAsync(pushNotification);
}
}
public void PlatformExportBackground(PlatformImportExportRequest exportRequest, PlatformExportPushNotification pushNotification)
{
Action <ExportImportProgressInfo> progressCallback = (x) =>
{
pushNotification.InjectFrom(x);
pushNotification.Errors = x.Errors;
_pushNotifier.Upsert(pushNotification);
};
try
{
using (var stream = new MemoryStream())
{
var manifest = exportRequest.ToManifest();
_platformExportManager.Export(stream, manifest, progressCallback);
stream.Seek(0, SeekOrigin.Begin);
//Upload result to blob storage
var uploadInfo = new UploadStreamInfo
{
FileName = string.Format("exported_data.zip"),
FileByteStream = stream,
FolderName = "tmp"
};
var blobKey = _blobStorageProvider.Upload(uploadInfo);
//Get a download url
pushNotification.DownloadUrl = _blobUrlResolver.GetAbsoluteUrl(blobKey);
}
}
catch (Exception ex)
{
pushNotification.Errors.Add(ex.ExpandExceptionMessage());
}
finally
{
pushNotification.Description = "Export finished";
pushNotification.Finished = DateTime.UtcNow;
_pushNotifier.Upsert(pushNotification);
}
}
public void PlatformExportBackground(PlatformImportExportRequest exportRequest, PlatformExportPushNotification pushNotification)
{
Action <ExportImportProgressInfo> progressCallback = x =>
{
pushNotification.InjectFrom(x);
pushNotification.Errors = x.Errors;
_pushNotifier.Upsert(pushNotification);
};
try
{
using (var stream = new MemoryStream())
{
var manifest = exportRequest.ToManifest();
_platformExportManager.Export(stream, manifest, progressCallback);
stream.Seek(0, SeekOrigin.Begin);
var relativeUrl = "tmp/exported_data.zip";
using (var targetStream = _blobStorageProvider.OpenWrite(relativeUrl))
{
stream.CopyTo(targetStream);
}
//Get a download url
pushNotification.DownloadUrl = _blobUrlResolver.GetAbsoluteUrl(relativeUrl);
}
}
catch (Exception ex)
{
pushNotification.Errors.Add(ex.ExpandExceptionMessage());
}
finally
{
pushNotification.Description = "Export finished";
pushNotification.Finished = DateTime.UtcNow;
_pushNotifier.Upsert(pushNotification);
}
}
public void PlatformExportBackground(PlatformImportExportRequest exportRequest, PlatformExportPushNotification pushNotification)
{
Action <ExportImportProgressInfo> progressCallback = x =>
{
pushNotification.InjectFrom(x);
pushNotification.Errors = x.Errors;
_pushNotifier.Upsert(pushNotification);
};
try
{
var localTmpFolder = HostingEnvironment.MapPath(_defaultExportFolder);
var localTmpPath = Path.Combine(localTmpFolder, _defaultExportFileName);
if (!Directory.Exists(localTmpFolder))
{
Directory.CreateDirectory(localTmpFolder);
}
//Import first to local tmp folder because Azure blob storage doesn't support some special file access mode
using (var stream = File.Open(localTmpPath, FileMode.OpenOrCreate))
{
var manifest = exportRequest.ToManifest();
_platformExportManager.Export(stream, manifest, progressCallback);
pushNotification.DownloadUrl = $"api/platform/export/download/{_defaultExportFileName}";
}
}
catch (Exception ex)
{
pushNotification.Errors.Add(ex.ExpandExceptionMessage());
}
finally
{
pushNotification.Description = "Export finished";
pushNotification.Finished = DateTime.UtcNow;
_pushNotifier.Upsert(pushNotification);
}
}
